I just upgraded to FC14 (64) from FC13 (32) and the mouse middle button (simultaneous left+right button) paste function has stopped working. I tested it with 3 makes/models of different mice and trackballs.

For some reason (left+right) mouse returns the same code as the single right-button ('xev' value = 3).

yes.. it does that now if you only have a 2 button mouse, and want it to emulate a 3 button mouse.

As specified in the Fedora 14 release notes:

Quote:

3.5.2. Mouse Behavior
The latest version of evdev, version 2.5, changed the default for the middle mouse button emulation code. This change has disabled emulation of the middle mouse button by clicking the left and right mouse buttons.
3.5.2.1. Enabling the middle mouse button emulation
Middle mouse button emulation can be enabled by the addition of a xorg.conf snippet: